轉換 PDF

// Import IronPdf namespace for PDF generation functionality
using IronPdf;

// Create ChromePdfRenderer instance for HTML to PDF conversion
var renderer = new ChromePdfRenderer();

// Convert HTML string to PDF document using Chrome rendering engine
// RenderHtmlAsPdf method processes HTML/CSS/JavaScript content
var pdfDocument = renderer.RenderHtmlAsPdf("<h1>Hello IronPdf</h1>");
// Save the generated PDF document to disk
// The PDF will be pixel-perfect matching Chrome's rendering
pdfDocument.SaveAs("pixel-perfect.pdf");

using IronPdf;

// Create ChromePdfRenderer for URL to PDF conversion
var renderer = new ChromePdfRenderer();

// Convert webpage URL directly to PDF document
// Preserves all styling, images, and interactive elements
var pdf = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/PDF");

// Save the rendered webpage as a PDF file
pdf.SaveAs("wikipedia.pdf");

using IronPdf;

// Instantiate Renderer
DocxToPdfRenderer renderer = new DocxToPdfRenderer();

// Render from DOCX file
PdfDocument pdf = renderer.RenderDocxAsPdf("Modern-chronological-resume.docx");

// Save the PDF
pdf.SaveAs("pdfFromDocx.pdf");

using IronPdf;

// Instantiate Renderer
var renderer = new ChromePdfRenderer();

// Load the RTF as File
PdfDocument pdfFromRTFFile = renderer.RenderRtfFileAsPdf("report.rtf");
PdfDocument pdfFromMDFile = renderer.RenderMarkdownFileAsPdf("report.md");

pdfFromRTFFile.SaveAs("report.pdf");
pdfFromMDFile.SaveAs("markdown.pdf");

using IronPdf;
using System.IO;
using System.Linq;

// One or more images as IEnumerable. This example selects all JPEG images in a specific 'assets' folder.
var imageFiles = Directory.EnumerateFiles("assets").Where(f => f.EndsWith(".jpg") || f.EndsWith(".jpeg"));

// Converts the images to a PDF and save it.
ImageToPdfConverter.ImageToPdf(imageFiles).SaveAs("composite.pdf");

private async void PrintToPdf()
{
    ChromePdfRenderer renderer = new ChromePdfRenderer();

    // Apply text footer
    renderer.RenderingOptions.TextFooter = new TextHeaderFooter()
    {
        LeftText = "{date} - {time}",
        DrawDividerLine = true,
        RightText = "Page {page} of {total-pages}",
        Font = IronSoftware.Drawing.FontTypes.Arial,
        FontSize = 11
    };

    Parameters.Add("persons", persons);

    // Render razor component to PDF
    PdfDocument pdf = renderer.RenderRazorComponentToPdf<Person>(Parameters);

    File.WriteAllBytes("razorComponentToPdf.pdf", pdf.BinaryData);
}

// PM > Install-Package IronPdf.Extensions.Razor

using IronPdf.Razor.Pages;

public IActionResult OnPostAsync()
{
    persons = new List<Person>
    {
        new Person { Name = "Alice", Title = "Mrs.", Description = "Software Engineer" },
    };

    ViewData["personList"] = persons;

    ChromePdfRenderer renderer = new ChromePdfRenderer();

    // Render Razor Page to PDF document
    PdfDocument pdf = renderer.RenderRazorToPdf(this);

    Response.Headers.Add("Content-Disposition", "inline");

    return File(pdf.BinaryData, "application/pdf", "razorPageToPdf.pdf");
}

using IronPdf;

private void Form1_Load(object sender, EventArgs e)
{
    //Changes the ASPX output into a pdf instead of HTML
    IronPdf.AspxToPdf.RenderThisPageAsPdf();
}

// PM > Install-Package IronPdf.Extensions.Maui

ChromePdfRenderer renderer = new ChromePdfRenderer();

// Apply HTML header
renderer.RenderingOptions.HtmlHeader = new HtmlHeaderFooter()
{
    HtmlFragment = "<h1>Header</h1>",
};

// Render PDF from Maui Page
PdfDocument pdf = renderer.RenderContentPageToPdf<MainPage, App>().Result;

pdf.SaveAs(@"C:\contentPageToPdf.pdf");

using IronPdf;
using System;
using System.IO;

var uri = new Uri("http://localhost:51169/Invoice");
var urlToPdf = new ChromePdfRenderer
{
    // Set login credentials to bypass basic authentication
    LoginCredentials = new IronPdf.ChromeHttpLoginCredentials
    {
        NetworkUsername = "testUser",
        NetworkPassword = "testPassword"
    }
};

var pdf = urlToPdf.RenderUrlAsPdf(uri);
pdf.SaveAs(Path.Combine(Directory.GetCurrentDirectory(), "UrlToPdfWithHttpLogin.Pdf"));

using IronPdf;

// Instantiate ChromePdfRenderer
ChromePdfRenderer renderer = new ChromePdfRenderer();
renderer.RenderingOptions.RequestContext = IronPdf.Rendering.RequestContexts.Global;
ChromeHttpLoginCredentials credentials = new ChromeHttpLoginCredentials()
{
    NetworkUsername = "testUser",
    NetworkPassword = "testPassword"
};
string uri = "http://localhost:51169/Invoice";
// Apply cookies
renderer.ApplyCookies(uri, credentials);

using IronPdf;

var renderer = new ChromePdfRenderer();
// Set Margins (in millimeters)
renderer.RenderingOptions.MarginTop = 40;
renderer.RenderingOptions.MarginLeft = 20;
renderer.RenderingOptions.MarginRight = 20;
renderer.RenderingOptions.MarginBottom = 40;
renderer.RenderHtmlFileAsPdf("my-content.html").SaveAs("my-content.pdf");

using IronPdf;

ChromePdfRenderer renderer = new ChromePdfRenderer();
// Set text header as a rendering options
renderer.RenderingOptions.TextHeader = new TextHeaderFooter()
{
    CenterText = "This is a header",
};
// Render Html
PdfDocument pdf = renderer.RenderHtmlAsPdf("<h1>Hello World!</h1>");

using IronPdf;

ChromePdfRenderer renderer = new ChromePdfRenderer();
// Add text header as labelling the page numbers
renderer.RenderingOptions.TextHeader = new TextHeaderFooter()
{
   CenterText = "{page} of {total-pages}",
};
PdfDocument pdf = renderer.RenderHtmlAsPdf("<h1>Hello World!</h1>");

using IronPdf;

ChromePdfRenderer renderer = new ChromePdfRenderer();
// Set GrayScale to true
renderer.RenderingOptions.GrayScale = true;
PdfDocument pdf = renderer.RenderUrlAsPdf("https://ironsoftware.com/");
pdf.CopyPage(0).SaveAs("test.pdf");

using IronPdf;

// Instantiate Renderer
ChromePdfRenderer renderer = new ChromePdfRenderer();
// Configure render options
renderer.RenderingOptions = new ChromePdfRenderOptions
{
    // Enable table of content feature
    TableOfContents = TableOfContentsTypes.WithPageNumbers,
};
PdfDocument pdf = renderer.RenderHtmlFileAsPdf("tableOfContent.html");
pdf.SaveAs("tableOfContents.pdf");

using IronPdf;

var html = @"
    <p> Hello Iron</p>
    <p> This is 1st Page </p>
    <div style = 'page-break-after: always;' ></div>
    <p> This is 2nd Page</p>
    <div style = 'page-break-after: always;' ></div>
    <p> This is 3rd Page</p>";
// Instantiate Renderer
var renderer = new ChromePdfRenderer();
var pdf = renderer.RenderHtmlAsPdf(html);
pdf.SaveAs("pageBreak.pdf");

using IronPdf;

ChromePdfRenderer renderer = new ChromePdfRenderer();
// Fit to page rendering
renderer.RenderingOptions.PaperFit.UseFitToPageRendering();
// Render web URL to PDF
PdfDocument pdf = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Main_Page");
pdf.SaveAs("fitToPage.pdf");